A-6
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
AppendixA Technical Specifications
AUSM/B-8T1E1 Interface Characteristics
AUSM/B-8T1E1 Interface Characteristics
This section contains details for the AUSM/B-8T1E1. For physical characteristics, see Table A- 3. For
the T1 and E1 characteristics, s ee Ta ble A-3 and Table A -5, respectively. For ATM interface
characteristics, see Tab le A-6. For stat istics an d counter s, see Ta ble A-7 .l
TableA-3 Physical Characteristics of the A USM/ B-8T1E1
Category Description
LED Indicators Per Card Active (green), Standby (yellow), Fail (red)
LED Indicators Per Line One per line: Active and OK (green)
Active and Local Alarm (red)
Active and Remote Alarm (yel low )
Maintenance/Serviceability Facility loopback via loop up/down per ANSI T1.408 and
ATT TR 62411 (T1), CCITT G.7xx (E1)
Facility Loopback via Management Console
Internal Problem Isolation Loopbacks
Hot pluggable
Card Size Front card: 7.25 inches by 15.83 inches (18.42 cm by
42.75 cm)
Back cards: 7.25 inches by 4.12 5 in ch es ( 1 8. 42 cm by
10.48 cm)
Power 48 VDC, 30W
Safety EN 60950 2nd edition (including EN 41003) UL 1950 2nd edition
Compliance T1: G.703, G.824
E1: G.703, G.823
ESD IEC 61000-4-2
TableA-4 T1 Interface Characteristics
Category Description
Line Interface RJ-48 (100 ohms) on the LM-RJ48-8T1 back card
Line Rate 1.544 Mbps ± 50 bps (T1)
Synchronization Transmitter can be loop-timed, receiver, or synchronized to node (normal
mode)
Line Code Bi-polar 8 Zero Substitu t ion (B8ZS) per ANS I T 1.408 (T1)
Line Framing Extended Superframe Format (ESF 24 frame mul ti-fr ame ) per ANS I T1. 408
ESF Maintenance Bit-oriented alarm and loopback messages of ES F Data Link per ANSI
T1.408
Input Jitter Tolerance Per ITU-T G.824
Output Jitter Per ITU-T G.824 us in g n o r mal mode synchroniza t io n.